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That celebrity in a bikini? Duplicate people in a crowd? These aren't real. Those are the work of Photoshop or Aviary. Michael Galpert shows us how to detect these fake images. For more reading on this check out eHow's article.
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Awesome video about photoshopped images.
Theres a blog out there that specializes in this called photoshop disasters.
Off topic: When will you come to St. Louis MO???
Mhh, but what do we learn from this video? I only learned not to trust images - but not how to detect them :-)